Linux quiz 3

How to append both STDERR and STDOUT to the same file

• using 2>

• using >

• using >>

• using 2>>

Which of the following commands are pager-commands?

• more

• less

• cat

• head

How to unzip (decompress) a file in Linux

• uncomp <filename>

• decomp <filename>

• gzip -d <filename>

• gunzip <filename>

What is most used compression-command in Linux

• zip

• tar

• gzip

• 7zip

What can be done with the 'Shebang'

• shutdown your Linux system

• End a bash script

• Control the command interpreter in a script

• It's a command for on the prompt

What must be done before a script can be exceuted?

• Compile the script

• Make the file executable using chmod u+x

• Add the shebang in the first line of the script

• Place the script in an executable-scripts directory like /bin

What can be done with the pipe (|) command?

• send the output of one command to another

• run a second command only of the first command was succesfull

• run a second command only if the first one failed

• set an exit-code

What command to use to create an archive

• tar

• zip

• arch

• pack

How to create a tar-ball name 'archive.tar' with all files with extention '.txt' (assuming that they exist)

• tar *.txt archive.tar

• tar -f archive *.txt

• tar -cvf archive.tar *.txt

• tar -xvf *.txt archive.tar

How to execute a command inside a script

• use double quotes (') around the command

• use backtick quotes (`) around the command

• use brackets ([]) around the command

• use normal single quotes (') around the command